| Primary satellite | Secondary satellite |
| Name | Cosmos 2228 | RCM-2 |
| Spacetrack catalog number | 22286 | 44324 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Feb 26 01:32 | 2021 Feb 26 03:37 |
| Time of closest approach (UTC) | 2021 Jan 18 05:14:30.213 |
| Minimum distance | 11.171 km |
| Height difference | 0.979 km |
| Relative speed | 15.088 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 82.4°N, 97.1°E |
| Height | 603 km |
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